#include<stdio.h>
struct Student
    {int num;
     char name[20];
     float score;
     };
int main()
    {struct Student stu[5]={{10101,"Zhang",78},{10103,"Wang",98.5},{10106,"Li",86},{10108,"Ling",73.5},{10110,"Sun",100}};
     struct Student temp;
     const int n=5;
     int i,j,k;
     printf("The order is:\n");
     for(i=0;i<n-1;i++)
      {k=i;
       for(j=i+1;j<n;j++)
         if(stu[j].score>stu[k].score)
            k=j;
      temp=stu[k];stu[k]=stu[i];stu[i]=temp;
      }
    for(i=0;i<n;i++)
        printf("%6d%8s%6.2f\n",stu[i].num,stu[i].name,stu[i].score);
    printf("\n");
    return 0;
}
